package co.yeye.test;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.app.ActionBarActivity;
import android.app.Activity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;

import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.nostra13.universalimageloader.core.display.RoundedBitmapDisplayer;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;
import com.nostra13.universalimageloader.utils.StorageUtils;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import register.*;

/**
 * Fragment used for managing interactions for and presentation of a navigation drawer.
 * See the <a href="https://developer.android.com/design/patterns/navigation-drawer.html#Interaction">
 * design guidelines</a> for a complete explanation of the behaviors implemented here.
 */
public class NavigationDrawerFragment extends Fragment {

    /**
     * Remember the position of the selected item.
     */
    private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";

    /**
     * Per the design guidelines, you should show the drawer on launch until the user manually
     * expands it. This shared preference tracks this.
     */
    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";

    /**
     * A pointer to the current callbacks instance (the Activity).
     */
    private NavigationDrawerCallbacks mCallbacks;

    /**
     * Helper component that ties the action bar to the navigation drawer.
     */
    private ActionBarDrawerToggle mDrawerToggle;

    private DrawerLayout mDrawerLayout;
    private RelativeLayout mDrawerMainLayout;
    private ListView mDrawerListView;
    private View mFragmentContainerView;
    private ImageView imgUser;
    private TextView userName;

    private int mCurrentSelectedPosition = 0;
    private boolean mFromSavedInstanceState;
    private boolean mUserLearnedDrawer;

    ImageLoader imageLoader;
    DisplayImageOptions options;

    public NavigationDrawerFragment() {
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Read in the flag indicating whether or not the user has demonstrated awareness of the
        // drawer. See PREF_USER_LEARNED_DRAWER for details.
        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);

        if (savedInstanceState != null) {
            mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);
            mFromSavedInstanceState = true;
        }

        // Select either the default item (0) or the last selected item.
        selectItem(mCurrentSelectedPosition);

        imageLoaderInit();
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        // Indicate that this fragment would like to influence the set of actions in the action bar.
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
//        mDrawerListView = (ListView) inflater.inflate(
//                R.layout.fragment_navigation_drawer, container, false);
        mDrawerMainLayout = (RelativeLayout) inflater.inflate(
                R.layout.left_slide_layout, container, false);
        mDrawerListView = (ListView) mDrawerMainLayout.findViewById(R.id.list);
        imgUser = (ImageView) mDrawerMainLayout.findViewById(R.id.top_userimg);
        imgUser.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(getActivity(), User.class);
                getActivity().startActivityForResult(intent, 100);
            }
        });

        mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                selectItem(position);
            }
        });

        userName = (TextView) mDrawerMainLayout.findViewById(R.id.top_username);
        /*
        mDrawerListView.setAdapter(new ArrayAdapter<String>(
                getActionBar().getThemedContext(),
                android.R.layout.simple_list_item_activated_1,
                android.R.id.text1,
                new String[]{
                        getString(R.string.title_section1),
                        getString(R.string.title_section2),
                        getString(R.string.title_section3),
                }));
                */
        setList(mDrawerListView);
        mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);

        return mDrawerMainLayout;
    }

    /**
     * 配置用户头像
     */
    public void setUserImg(String path , String name){
        //BitmapFactory.Options options = new BitmapFactory.Options();
        //options.inSampleSize = 1;
        //Bitmap bm = BitmapFactory.decodeFile(path, options);
        //imgUser.setImageBitmap(bm);
        //imageLoaderInit();
        if(!path.equals("-1"))
            imageLoader.displayImage(path,imgUser,options, null);
        if(name.equals("-1")) {
            userName.setText("请点击头像登录");
            imgUser.setImageDrawable(getResources().getDrawable(R.drawable.user_blank_null));
        }
        else
            userName.setText(name);

    }

    public boolean isDrawerOpen() {
        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);
    }

    private void imageLoaderInit(){
        File cacheDir = StorageUtils.getOwnCacheDirectory(getActivity().getBaseContext(), "imageloader/Cache");
        ImageLoaderConfiguration config = new ImageLoaderConfiguration
                .Builder(getActivity().getBaseContext())
                .threadPriority(Thread.NORM_PRIORITY - 2)
                .denyCacheImageMultipleSizesInMemory()
                .discCacheFileNameGenerator(new Md5FileNameGenerator())
                .tasksProcessingOrder(QueueProcessingType.LIFO)
                .discCache(new UnlimitedDiscCache(cacheDir))//自定义缓存路径
                .build();//开始构建
        imageLoader = ImageLoader.getInstance();
        imageLoader.init(config);//全局初始化此配置

        options = new DisplayImageOptions.Builder()
                .showImageOnLoading(R.drawable.ic_launcher) //设置图片在下载期间显示的图片
                .showImageForEmptyUri(R.drawable.ic_launcher)//设置图片Uri为空或是错误的时候显示的图片
                .showImageOnFail(R.drawable.ic_launcher)  //设置图片加载/解码过程中错误时候显示的图片
                .cacheInMemory(true)						// 设置下载的图片是否缓存在内存中
                .cacheOnDisk(true)
                //.resetViewBeforeLoading(true)//设置图片在下载前是否重置，复位
                //.displayer(new RoundedBitmapDisplayer(20))//是否设置为圆角，弧度为多少
                //.displayer(new FadeInBitmapDisplayer(100))//是否图片加载好后渐入的动画时间
                .build();//构建完成
    }

    private void setList( ListView list ){
        ArrayList<HashMap<String,Object>> listItem;
        SimpleAdapter listItemAdapter;

        listItem = new ArrayList<HashMap<String,Object>>();

        HashMap<String,Object> map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_professer);
        map.put("itemText", getString(R.string.item_1));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_discovery);
        map.put("itemText", getString(R.string.item_2));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_project);
        map.put("itemText", getString(R.string.item_3));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_classes);
        map.put("itemText", getString(R.string.item_4));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_lab);
        map.put("itemText", getString(R.string.item_5));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_college);
        map.put("itemText", getString(R.string.item_6));
        listItem.add(map);

        map = new HashMap<String,Object>();
        map.put("itemImg", R.drawable.slide_item_about);
        map.put("itemText", getString(R.string.item_7));
        listItem.add(map);


        // 生成适配器的Item和动态数组对应的元素
        listItemAdapter = new SimpleAdapter(this.getActivity().getBaseContext(),listItem,//数据源
                R.layout.left_slide_adapter,//ListItem的XML实现
                // 动态数组与ImageItem对应的子项
                new String[]
                        {"itemImg","itemText"},
                // ImageItem的XML文件里面的一个ImageView,两个TextViewID
                new int[]{ R.id.iv_img , R.id.iv_text } );
        //添加并且显示
        list.setAdapter(listItemAdapter);
    }

    /**
     * Users of this fragment must call this method to set up the navigation drawer interactions.
     *
     * @param fragmentId   The android:id of this fragment in its activity's layout.
     * @param drawerLayout The DrawerLayout containing this fragment's UI.
     */
    public void setUp(int fragmentId, DrawerLayout drawerLayout) {
        mFragmentContainerView = getActivity().findViewById(fragmentId);
        mDrawerLayout = drawerLayout;

        // set a custom shadow that overlays the main content when the drawer opens
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
        // set up the drawer's list view with items and click listener

        ActionBar actionBar = getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setHomeButtonEnabled(true);

        // ActionBarDrawerToggle ties together the the proper interactions
        // between the navigation drawer and the action bar app icon.
        mDrawerToggle = new ActionBarDrawerToggle(
                getActivity(),                    /* host Activity */
                mDrawerLayout,                    /* DrawerLayout object */
                R.drawable.ic_drawer,             /* nav drawer image to replace 'Up' caret */
                R.string.navigation_drawer_open,  /* "open drawer" description for accessibility */
                R.string.navigation_drawer_close  /* "close drawer" description for accessibility */
        ) {
            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (!isAdded()) {
                    return;
                }

                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()
            }

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                if (!isAdded()) {
                    return;
                }

                if (!mUserLearnedDrawer) {
                    // The user manually opened the drawer; store this flag to prevent auto-showing
                    // the navigation drawer automatically in the future.
                    mUserLearnedDrawer = true;
                    SharedPreferences sp = PreferenceManager
                            .getDefaultSharedPreferences(getActivity());
                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();
                }

                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()
            }
        };

        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,
        // per the navigation drawer design guidelines.
        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
            mDrawerLayout.openDrawer(mFragmentContainerView);
        }

        // Defer code dependent on restoration of previous instance state.
        mDrawerLayout.post(new Runnable() {
            @Override
            public void run() {
                mDrawerToggle.syncState();
            }
        });

        mDrawerLayout.setDrawerListener(mDrawerToggle);
    }

    public void selectItem(int position) {
        mCurrentSelectedPosition = position;
        if (mDrawerMainLayout != null) {
            mDrawerListView.setItemChecked(position, true);
        }
        if (mDrawerLayout != null) {
            mDrawerLayout.closeDrawer(mFragmentContainerView);
        }
        if (mCallbacks != null) {
            mCallbacks.onNavigationDrawerItemSelected(position);
        }
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mCallbacks = (NavigationDrawerCallbacks) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mCallbacks = null;
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Forward the new configuration the drawer toggle component.
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        // If the drawer is open, show the global app actions in the action bar. See also
        // showGlobalContextActionBar, which controls the top-left area of the action bar.
        if (mDrawerLayout != null && isDrawerOpen()) {
            inflater.inflate(R.menu.global, menu);
            showGlobalContextActionBar();
        }
        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        /*
        if (item.getItemId() == R.id.action_example) {
            Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT).show();
            return true;
        }
        */
        return super.onOptionsItemSelected(item);
    }

    /**
     * Per the navigation drawer design guidelines, updates the action bar to show the global app
     * 'context', rather than just what's in the current screen.
     */
    private void showGlobalContextActionBar() {
        ActionBar actionBar = getActionBar();
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setTitle("我的光电");
    }

    private ActionBar getActionBar() {
        return ((ActionBarActivity) getActivity()).getSupportActionBar();
    }

    /**
     * Callbacks interface that all activities using this fragment must implement.
     */
    public static interface NavigationDrawerCallbacks {
        /**
         * Called when an item in the navigation drawer is selected.
         */
        void onNavigationDrawerItemSelected(int position);
    }
}
